Rollup merge of #133043 - notriddle:master, r=fmease

rustdoc-search: case-sensitive only when capitals are used

This is the "smartcase" behavior, described by vim and dtolnay.

Fixes https://github.com/rust-lang/rust/issues/133017

1 files changed, 7 insertions, 4 deletions

diff --git a/src/librustdoc/html/static/js/search.js b/src/librustdoc/html/static/js/search.js
index 4e1bbbbf59d..a95a13aac47 100644
--- a/src/librustdoc/html/static/js/search.js
+++ b/src/librustdoc/html/static/js/search.js
@@ -2500,6 +2500,7 @@ class DocSearch {
         const sortResults = async(results, typeInfo, preferredCrate) => {
             const userQuery = parsedQuery.userQuery;
             const normalizedUserQuery = parsedQuery.userQuery.toLowerCase();
+            const isMixedCase = normalizedUserQuery !== userQuery;
             const result_list = [];
             for (const result of results.values()) {
                 result.item = this.searchIndex[result.id];
@@ -2511,10 +2512,12 @@ class DocSearch {
                 let a, b;
 
                 // sort by exact case-sensitive match
-                a = (aaa.item.name !== userQuery);
-                b = (bbb.item.name !== userQuery);
-                if (a !== b) {
-                    return a - b;
+                if (isMixedCase) {
+                    a = (aaa.item.name !== userQuery);
+                    b = (bbb.item.name !== userQuery);
+                    if (a !== b) {
+                        return a - b;
+                    }
                 }
 
                 // sort by exact match with regard to the last word (mismatch goes later)